This example shows the use of the 'Pins' (edge connector) and the DAL to make a logic gate simulator from a micro:bit - many of these can be wired together to create logic networks. This is a one-way translation of the microbit-samples repository on GitHub. Please don't try to push changes here, instead push them to the source repo at https://github.com/lancaster-university/microbit-samples
Dependencies: microbit
main.cpp@0:cc5dce044f55, 2016-07-13 (annotated)
- Committer:
- LancasterUniversity
- Date:
- Wed Jul 13 16:04:11 2016 +0100
- Revision:
- 0:cc5dce044f55
Update to git: v2.0.0-rc4-5-g115d5a8
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
LancasterUniversity | 0:cc5dce044f55 | 1 | /* |
LancasterUniversity | 0:cc5dce044f55 | 2 | The MIT License (MIT) |
LancasterUniversity | 0:cc5dce044f55 | 3 | |
LancasterUniversity | 0:cc5dce044f55 | 4 | Copyright (c) 2016 British Broadcasting Corporation. |
LancasterUniversity | 0:cc5dce044f55 | 5 | This software is provided by Lancaster University by arrangement with the BBC. |
LancasterUniversity | 0:cc5dce044f55 | 6 | |
LancasterUniversity | 0:cc5dce044f55 | 7 | Permission is hereby granted, free of charge, to any person obtaining a |
LancasterUniversity | 0:cc5dce044f55 | 8 | copy of this software and associated documentation files (the "Software"), |
LancasterUniversity | 0:cc5dce044f55 | 9 | to deal in the Software without restriction, including without limitation |
LancasterUniversity | 0:cc5dce044f55 | 10 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
LancasterUniversity | 0:cc5dce044f55 | 11 | and/or sell copies of the Software, and to permit persons to whom the |
LancasterUniversity | 0:cc5dce044f55 | 12 | Software is furnished to do so, subject to the following conditions: |
LancasterUniversity | 0:cc5dce044f55 | 13 | |
LancasterUniversity | 0:cc5dce044f55 | 14 | The above copyright notice and this permission notice shall be included in |
LancasterUniversity | 0:cc5dce044f55 | 15 | all copies or substantial portions of the Software. |
LancasterUniversity | 0:cc5dce044f55 | 16 | |
LancasterUniversity | 0:cc5dce044f55 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
LancasterUniversity | 0:cc5dce044f55 | 18 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
LancasterUniversity | 0:cc5dce044f55 | 19 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
LancasterUniversity | 0:cc5dce044f55 | 20 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
LancasterUniversity | 0:cc5dce044f55 | 21 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
LancasterUniversity | 0:cc5dce044f55 | 22 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
LancasterUniversity | 0:cc5dce044f55 | 23 | DEALINGS IN THE SOFTWARE. |
LancasterUniversity | 0:cc5dce044f55 | 24 | */ |
LancasterUniversity | 0:cc5dce044f55 | 25 | |
LancasterUniversity | 0:cc5dce044f55 | 26 | #include "MicroBit.h" |
LancasterUniversity | 0:cc5dce044f55 | 27 | |
LancasterUniversity | 0:cc5dce044f55 | 28 | #define LOGIC_MODE_NOT 1 |
LancasterUniversity | 0:cc5dce044f55 | 29 | #define LOGIC_MODE_AND 2 |
LancasterUniversity | 0:cc5dce044f55 | 30 | #define LOGIC_MODE_OR 3 |
LancasterUniversity | 0:cc5dce044f55 | 31 | #define LOGIC_MODE_OUTPUT 4 |
LancasterUniversity | 0:cc5dce044f55 | 32 | |
LancasterUniversity | 0:cc5dce044f55 | 33 | #define LOGIC_MODE_MIN 1 |
LancasterUniversity | 0:cc5dce044f55 | 34 | #define LOGIC_MODE_MAX 4 |
LancasterUniversity | 0:cc5dce044f55 | 35 | |
LancasterUniversity | 0:cc5dce044f55 | 36 | #define TOOL_SELECT_DELAY 1000 |
LancasterUniversity | 0:cc5dce044f55 | 37 | |
LancasterUniversity | 0:cc5dce044f55 | 38 | MicroBit uBit; |
LancasterUniversity | 0:cc5dce044f55 | 39 | |
LancasterUniversity | 0:cc5dce044f55 | 40 | MicroBitImage NOT("\ |
LancasterUniversity | 0:cc5dce044f55 | 41 | 0 0 1 0 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 42 | 0 0 1 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 43 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 44 | 0 0 1 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 45 | 0 0 1 0 0\n"); |
LancasterUniversity | 0:cc5dce044f55 | 46 | |
LancasterUniversity | 0:cc5dce044f55 | 47 | MicroBitImage AND("\ |
LancasterUniversity | 0:cc5dce044f55 | 48 | 0 0 1 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 49 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 50 | 0 0 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 51 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 52 | 0 0 1 1 0\n"); |
LancasterUniversity | 0:cc5dce044f55 | 53 | |
LancasterUniversity | 0:cc5dce044f55 | 54 | MicroBitImage OR("\ |
LancasterUniversity | 0:cc5dce044f55 | 55 | 0 0 0 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 56 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 57 | 0 0 0 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 58 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 59 | 0 0 0 1 0\n"); |
LancasterUniversity | 0:cc5dce044f55 | 60 | |
LancasterUniversity | 0:cc5dce044f55 | 61 | MicroBitImage OUTPUT_ON("\ |
LancasterUniversity | 0:cc5dce044f55 | 62 | 0 1 1 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 63 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 64 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 65 | 1 1 1 1 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 66 | 0 1 1 1 0\n"); |
LancasterUniversity | 0:cc5dce044f55 | 67 | |
LancasterUniversity | 0:cc5dce044f55 | 68 | MicroBitImage OUTPUT_OFF("\ |
LancasterUniversity | 0:cc5dce044f55 | 69 | 0 1 1 1 0\n\ |
LancasterUniversity | 0:cc5dce044f55 | 70 | 1 0 0 0 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 71 | 1 0 0 0 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 72 | 1 0 0 0 1\n\ |
LancasterUniversity | 0:cc5dce044f55 | 73 | 0 1 1 1 0\n"); |
LancasterUniversity | 0:cc5dce044f55 | 74 | |
LancasterUniversity | 0:cc5dce044f55 | 75 | int mode = LOGIC_MODE_NOT; |
LancasterUniversity | 0:cc5dce044f55 | 76 | |
LancasterUniversity | 0:cc5dce044f55 | 77 | void onShake(MicroBitEvent) |
LancasterUniversity | 0:cc5dce044f55 | 78 | { |
LancasterUniversity | 0:cc5dce044f55 | 79 | // The micro:bit has been shaken, so move on to the next logic gate. |
LancasterUniversity | 0:cc5dce044f55 | 80 | mode++; |
LancasterUniversity | 0:cc5dce044f55 | 81 | |
LancasterUniversity | 0:cc5dce044f55 | 82 | // Wrap back to the start if necessary. |
LancasterUniversity | 0:cc5dce044f55 | 83 | if (mode > LOGIC_MODE_MAX) |
LancasterUniversity | 0:cc5dce044f55 | 84 | mode = LOGIC_MODE_MIN; |
LancasterUniversity | 0:cc5dce044f55 | 85 | |
LancasterUniversity | 0:cc5dce044f55 | 86 | // Update the display to |
LancasterUniversity | 0:cc5dce044f55 | 87 | switch (mode) |
LancasterUniversity | 0:cc5dce044f55 | 88 | { |
LancasterUniversity | 0:cc5dce044f55 | 89 | case LOGIC_MODE_NOT: |
LancasterUniversity | 0:cc5dce044f55 | 90 | uBit.display.print(NOT); |
LancasterUniversity | 0:cc5dce044f55 | 91 | break; |
LancasterUniversity | 0:cc5dce044f55 | 92 | |
LancasterUniversity | 0:cc5dce044f55 | 93 | case LOGIC_MODE_AND: |
LancasterUniversity | 0:cc5dce044f55 | 94 | uBit.display.print(AND); |
LancasterUniversity | 0:cc5dce044f55 | 95 | break; |
LancasterUniversity | 0:cc5dce044f55 | 96 | |
LancasterUniversity | 0:cc5dce044f55 | 97 | case LOGIC_MODE_OR: |
LancasterUniversity | 0:cc5dce044f55 | 98 | uBit.display.print(OR); |
LancasterUniversity | 0:cc5dce044f55 | 99 | break; |
LancasterUniversity | 0:cc5dce044f55 | 100 | |
LancasterUniversity | 0:cc5dce044f55 | 101 | case LOGIC_MODE_OUTPUT: |
LancasterUniversity | 0:cc5dce044f55 | 102 | uBit.display.print(OUTPUT_OFF); |
LancasterUniversity | 0:cc5dce044f55 | 103 | break; |
LancasterUniversity | 0:cc5dce044f55 | 104 | } |
LancasterUniversity | 0:cc5dce044f55 | 105 | } |
LancasterUniversity | 0:cc5dce044f55 | 106 | |
LancasterUniversity | 0:cc5dce044f55 | 107 | int main() |
LancasterUniversity | 0:cc5dce044f55 | 108 | { |
LancasterUniversity | 0:cc5dce044f55 | 109 | // Initialise the micro:bit runtime. |
LancasterUniversity | 0:cc5dce044f55 | 110 | uBit.init(); |
LancasterUniversity | 0:cc5dce044f55 | 111 | |
LancasterUniversity | 0:cc5dce044f55 | 112 | // Register to receive events when the micro:bit is shaken. |
LancasterUniversity | 0:cc5dce044f55 | 113 | uBit.messageBus.listen(MICROBIT_ID_GESTURE, MICROBIT_ACCELEROMETER_EVT_SHAKE, onShake); |
LancasterUniversity | 0:cc5dce044f55 | 114 | |
LancasterUniversity | 0:cc5dce044f55 | 115 | // |
LancasterUniversity | 0:cc5dce044f55 | 116 | // Create a simple logic gate simulator, using the P0, P1 and P2 pins. |
LancasterUniversity | 0:cc5dce044f55 | 117 | // The micro:bit can then be configured as an NOT / AND / OR gate, by shaking the device. |
LancasterUniversity | 0:cc5dce044f55 | 118 | // |
LancasterUniversity | 0:cc5dce044f55 | 119 | int output = 0; |
LancasterUniversity | 0:cc5dce044f55 | 120 | |
LancasterUniversity | 0:cc5dce044f55 | 121 | // Our icons are drawn left to right, so rotate the display so the outputs point at the pins on the edge connector. :-) |
LancasterUniversity | 0:cc5dce044f55 | 122 | uBit.display.rotateTo(MICROBIT_DISPLAY_ROTATION_270); |
LancasterUniversity | 0:cc5dce044f55 | 123 | |
LancasterUniversity | 0:cc5dce044f55 | 124 | while (1) |
LancasterUniversity | 0:cc5dce044f55 | 125 | { |
LancasterUniversity | 0:cc5dce044f55 | 126 | // Check inputs and update outputs accordingly. |
LancasterUniversity | 0:cc5dce044f55 | 127 | switch (mode) |
LancasterUniversity | 0:cc5dce044f55 | 128 | { |
LancasterUniversity | 0:cc5dce044f55 | 129 | int o1; |
LancasterUniversity | 0:cc5dce044f55 | 130 | int o2; |
LancasterUniversity | 0:cc5dce044f55 | 131 | |
LancasterUniversity | 0:cc5dce044f55 | 132 | case LOGIC_MODE_NOT: |
LancasterUniversity | 0:cc5dce044f55 | 133 | output = uBit.buttonA.isPressed() ? 0 : !uBit.io.P0.getDigitalValue(); |
LancasterUniversity | 0:cc5dce044f55 | 134 | uBit.display.print(NOT); |
LancasterUniversity | 0:cc5dce044f55 | 135 | break; |
LancasterUniversity | 0:cc5dce044f55 | 136 | |
LancasterUniversity | 0:cc5dce044f55 | 137 | case LOGIC_MODE_AND: |
LancasterUniversity | 0:cc5dce044f55 | 138 | o1 = uBit.buttonA.isPressed() || uBit.io.P0.getDigitalValue(); |
LancasterUniversity | 0:cc5dce044f55 | 139 | o2 = uBit.buttonB.isPressed() || uBit.io.P1.getDigitalValue(); |
LancasterUniversity | 0:cc5dce044f55 | 140 | output = o1 && o2; |
LancasterUniversity | 0:cc5dce044f55 | 141 | break; |
LancasterUniversity | 0:cc5dce044f55 | 142 | |
LancasterUniversity | 0:cc5dce044f55 | 143 | case LOGIC_MODE_OR: |
LancasterUniversity | 0:cc5dce044f55 | 144 | output = uBit.buttonA.isPressed() || uBit.io.P0.getDigitalValue() || uBit.buttonB.isPressed() || uBit.io.P1.getDigitalValue(); |
LancasterUniversity | 0:cc5dce044f55 | 145 | break; |
LancasterUniversity | 0:cc5dce044f55 | 146 | |
LancasterUniversity | 0:cc5dce044f55 | 147 | case LOGIC_MODE_OUTPUT: |
LancasterUniversity | 0:cc5dce044f55 | 148 | if (uBit.io.P0.getDigitalValue()) |
LancasterUniversity | 0:cc5dce044f55 | 149 | uBit.display.print(OUTPUT_ON); |
LancasterUniversity | 0:cc5dce044f55 | 150 | else |
LancasterUniversity | 0:cc5dce044f55 | 151 | uBit.display.print(OUTPUT_OFF); |
LancasterUniversity | 0:cc5dce044f55 | 152 | |
LancasterUniversity | 0:cc5dce044f55 | 153 | output = 0; |
LancasterUniversity | 0:cc5dce044f55 | 154 | break; |
LancasterUniversity | 0:cc5dce044f55 | 155 | } |
LancasterUniversity | 0:cc5dce044f55 | 156 | |
LancasterUniversity | 0:cc5dce044f55 | 157 | // Update output pin value |
LancasterUniversity | 0:cc5dce044f55 | 158 | uBit.io.P2.setDigitalValue(output); |
LancasterUniversity | 0:cc5dce044f55 | 159 | |
LancasterUniversity | 0:cc5dce044f55 | 160 | // Perform a power efficient sleep for a little while. No need to run too quickly! |
LancasterUniversity | 0:cc5dce044f55 | 161 | uBit.sleep(1000); |
LancasterUniversity | 0:cc5dce044f55 | 162 | } |
LancasterUniversity | 0:cc5dce044f55 | 163 | } |
LancasterUniversity | 0:cc5dce044f55 | 164 |